content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------------
   * DrawingSupplier.java
   * --------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 16-Jan-2003 : Version 1 (DG);
   * 17-Jan-2003 : Renamed PaintSupplier --> DrawingSupplier (DG);
   * ------------- JFREECHART 1.0.x ---------------------------------------------
   * 13-Jun-2007 : Added getNextOutlinePaint() method.
   *
   */
  
  package org.jfree.chart.plot;
  
  import java.awt.Paint;
  import java.awt.Shape;
  import java.awt.Stroke;
  
  /**
   * A supplier of <code>Paint</code>, <code>Stroke</code> and <code>Shape</code>
   * objects for use by plots and renderers.  By providing a central place for
   * obtaining these items, we can ensure that duplication is avoided.
   * <p>
   * To support the cloning of charts, classes that implement this interface
   * should also implement <code>PublicCloneable</code>.
   */
  public interface DrawingSupplier {
  
      /**
       * Returns the next paint in a sequence maintained by the supplier.
       *
       * @return The paint.
       */
      public Paint getNextPaint();
  
      /**
       * Returns the next outline paint in a sequence maintained by the supplier.
       *
       * @return The paint.
       */
      public Paint getNextOutlinePaint();
  
      /**
       * Returns the next fill paint in a sequence maintained by the supplier.
       *
       * @return The paint.
       *
       * @since 1.0.6
       */
      public Paint getNextFillPaint();
  
      /**
       * Returns the next <code>Stroke</code> object in a sequence maintained by
       * the supplier.
       *
       * @return The stroke.
       */
      public Stroke getNextStroke();
  
      /**
       * Returns the next <code>Stroke</code> object in a sequence maintained by
       * the supplier.
       *
       * @return The stroke.
       */
      public Stroke getNextOutlineStroke();
  
      /**
       * Returns the next <code>Shape</code> object in a sequence maintained by
       * the supplier.
       *
       * @return The shape.
       */
      public Shape getNextShape();
  
  }
  